import type { GridKeyValue } from './colDef/gridColDef';
export declare type GridValidRowModel = {
    [key: string]: any;
};
export declare type GridRowsProp<R = any> = Readonly<GridRowModel<R>[]>;
/**
 * @deprecated prefer GridRowModel.
 */
export declare type GridRowData = GridValidRowModel;
/**
 * The key value object representing the data of a row.
 */
export declare type GridRowModel<R extends GridValidRowModel = any> = R;
export declare type GridUpdateAction = 'delete';
export interface GridRowModelUpdate extends GridRowModel {
    _action?: GridUpdateAction;
}
export interface GridRowTreeNodeConfig {
    /**
     * The grid row id.
     */
    id: GridRowId;
    /**
     * The id of the row children.
     * @default []
     */
    children?: GridRowId[];
    /**
     * The row id of the parent (null if this row is a top level row).
     */
    parent: GridRowId | null;
    /**
     * Current expansion status of the row.
     * @default false
     */
    childrenExpanded?: boolean;
    /**
     * 0-based depth of the row in the tree.
     */
    depth: number;
    /**
     * The key used to group the children of this row.
     */
    groupingKey: GridKeyValue;
    /**
     * The field used to group the children of this row.
     * Is `null` if no field has been used to group the children of this row.
     */
    groupingField: string | null;
    /**
     * If `true`, this node has been automatically added to fill a gap in the tree structure.
     * @default false
     */
    isAutoGenerated?: boolean;
}
/**
 * The grid rows total height and row positions.
 */
export interface GridRowsMeta {
    /**
     * The sum of all grid rows.
     */
    totalHeight: number;
    /**
     * The grid rows positions.
     */
    positions: number[];
}
export declare type GridRowTreeConfig = Record<GridRowId, GridRowTreeNodeConfig>;
export declare type GridRowsLookup<R extends GridValidRowModel = any> = Record<GridRowId, R>;
/**
 * The type of Id supported by the grid.
 */
export declare type GridRowId = string | number;
export interface GridRowEntry<R extends GridValidRowModel = any> {
    /**
     * The row id.
     */
    id: GridRowId;
    /**
     * The row model.
     */
    model: R;
}
/**
 * The function to retrieve the id of a [[GridRowModel]].
 */
export declare type GridRowIdGetter<R extends GridValidRowModel = any> = (row: R) => GridRowId;